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Journal ArticleDOI

Profiles and Quantization of the Blow Up Mass for Critical Nonlinear Schrödinger Equation

TLDR
In this paper, the authors consider finite time blow up solutions to the critical nonlinear Schrodinger equation, and prove that the solution splits in two parts: the first part corresponds to the singular part and accumulates a quantized amount of L2 mass at the blow up point, the second part correspond to the regular part and has a strong L2 limit at blow up time.
Abstract
We consider finite time blow up solutions to the critical nonlinear Schrodinger equation Open image in new window For a suitable class of initial data in the energy space H1, we prove that the solution splits in two parts: the first part corresponds to the singular part and accumulates a quantized amount of L2 mass at the blow up point, the second part corresponds to the regular part and has a strong L2 limit at blow up time.

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Citations
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Journal ArticleDOI

Asymptotics and blow-up for mass critical nonlinear dispersive equations

TL;DR: In this paper, the authors consider mass critical nonlinear Schrodinger and Korteweg-de Vries equations and present a review on results related to the blow-up of solution of these equations.
Dissertation

Etude qualitative de modèles dispersifs

TL;DR: In this paper, the authors consider the problem of Cauchy-Schrodinger L2-critique amortie in the regime log-log and the existence globale for the case of Ostrovsky-Burgers-I.
Posted Content

On a class of derivative Nonlinear Schr\"odinger-type equations in two spatial dimensions

TL;DR: In this paper, the authors present analytical results and numerical simulations for a class of nonlinear dispersive equations in two spatial dimensions, which are of (derivative) nonlinear Schrodinger type and have recently been obtained in DLS for nonlinear optics.
Posted Content

Finite point blowup for the critical generalized Korteweg-de Vries equation.

TL;DR: In this paper, a single-bubble concentrating the ground state at a finite point with an unforeseen blow-up rate was shown to be possible for the Korteweg-de Vries equation.
Journal ArticleDOI

Rate of $L^2$-concentration of the blow-up solutionfor critical nonlinear Schrödinger equation with potential

TL;DR: In this article, the authors considered the blow-up solutions of the Cauchy problem for the critical nonlinear Schrodinger equation with a repulsive imbalance of harmonic potential.
References
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Journal ArticleDOI

Nonlinear scalar field equations, I existence of a ground state

TL;DR: In this article, a constrained minimization method was proposed for the case of dimension N = 1 (Necessary and sufficient conditions) for the zero mass case, where N is the number of dimensions in the dimension N.
BookDOI

The nonlinear Schrödinger equation : self-focusing and wave collapse

TL;DR: In this article, the authors present a basic framework to understand structural properties and long-time behavior of standing wave solutions and their relationship to a mean field generation and acoustic wave coupling.
Journal ArticleDOI

On a class of nonlinear Schro¨dinger equations

TL;DR: In this paper, the existence of standing wave solutions of nonlinear Schrodinger equations was studied and sufficient conditions for nontrivial solutionsu ∈W¯¯¯¯1,2(ℝ�姫 n ) were established.
Journal ArticleDOI

Uniqueness of positive solutions of Δu−u+up=0 in Rn

TL;DR: In this article, the uniqueness of the positive, radially symmetric solution to the differential equation Δu−u+up=0 (with p>1) in a bounded or unbounded annular region in Rn for all n ≥ 1, with the Neumann boundary condition on the inner ball and the Dirichlet boundary condition decaying to zero in the case of an unbounded region, was established.
Journal ArticleDOI

Nonlinear Schrödinger equations and sharp interpolation estimates

TL;DR: In this paper, a sharp sufficient condition for global existence for the nonlinear Schrodinger equation is obtained for the case σ = 2/N. This condition is derived by solving a variational problem to obtain the best constant for classical interpolation estimates of Nirenberg and Gagliardo.
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